5 Reasons the San Francisco Giants will repeat as World Series champions

Aug 18, 2015; St. Louis, MO, USA; San Francisco Giants relief pitcher Santiago Casilla (46) celebrates with catcher Buster Posey (28) after defeating the St. Louis Cardinals at Busch Stadium. The Giants defeated the Cardinals 2-0. Mandatory Credit: Jeff Curry-USA TODAY Sports
Aug 18, 2015; St. Louis, MO, USA; San Francisco Giants relief pitcher Santiago Casilla (46) celebrates with catcher Buster Posey (28) after defeating the St. Louis Cardinals at Busch Stadium. The Giants defeated the Cardinals 2-0. Mandatory Credit: Jeff Curry-USA TODAY Sports /
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Aug 14, 2015; San Francisco, CA, USA; San Francisco Giants relief pitcher Sergio Romo (54) celebrates after striking out a batter during the eighth inning at AT&T Park. The San Francisco Giants defeated the Washington Nationals 8-5. Mandatory Credit: Ed Szczepanski-USA TODAY Sports
Aug 14, 2015; San Francisco, CA, USA; San Francisco Giants relief pitcher Sergio Romo (54) celebrates after striking out a batter during the eighth inning at AT&T Park. The San Francisco Giants defeated the Washington Nationals 8-5. Mandatory Credit: Ed Szczepanski-USA TODAY Sports /

Strong Bullpen

The arms in the bullpen have been there and done that a few times this decade, and even without Madison Bumgarner in the pen it’s still a pretty effective group.

They are 9th in MLB in bullpen ERA, and 10th in opponent batting average at .236. Santiago Casilla struggled earlier this month, but has put together two solid outings and still has 29 saves.

Former closer Sergio Romo has been stellar of late, and has dropped his ERA to 3.38 over his past 15 games. Hunter Strickland gives the Giants a young, powerful right-handed arm, and been dynamite in his first full MLB season.

From the left side, the Giants will ride veterans Javier Lopez and Jeremy Affeldt. The side-arming Lopez has dominated lefties, while Affeldt has struggled and battled some injury issues as well this season.

Yusmeiro Petit gives the Giants length out of the bullpen. This is also the guy who holds the MLB record for consecutive batters retired.

George Kontos has had the best year of his career at age 30, and the Giants can use their other starters out of the bullpen as well.

Next: Defense of the crown